static VkBool32 bufferObjectPrepare(IBufferSP& buffer, IDeviceMemorySP& deviceMemory, const IInitialResourcesSP& initialResources, const VkBufferCreateInfo& bufferCreateInfo, const VkMemoryPropertyFlags memoryPropertyFlag)
{
VkResult result;
//
buffer = bufferCreate(initialResources->getDevice()->getDevice(), bufferCreateInfo.flags, bufferCreateInfo.size, bufferCreateInfo.usage, bufferCreateInfo.sharingMode, bufferCreateInfo.queueFamilyIndexCount, bufferCreateInfo.pQueueFamilyIndices);
if (!buffer.get())
{
logPrint(VKTS_LOG_ERROR, "BufferObject: Could not create buffer.");
return VK_FALSE;
}
VkMemoryRequirements memoryRequirements;
buffer->getBufferMemoryRequirements(memoryRequirements);
VkPhysicalDeviceMemoryProperties physicalDeviceMemoryProperties;
initialResources->getPhysicalDevice()->getPhysicalDeviceMemoryProperties(physicalDeviceMemoryProperties);
deviceMemory = deviceMemoryCreate(initialResources->getDevice()->getDevice(), memoryRequirements, physicalDeviceMemoryProperties.memoryTypeCount, physicalDeviceMemoryProperties.memoryTypes, memoryPropertyFlag);
if (!deviceMemory.get())
{
logPrint(VKTS_LOG_ERROR, "BufferObject: Could not allocate memory.");
return VK_FALSE;
}
result = buffer->bindBufferMemory(deviceMemory->getDeviceMemory(), 0);
if (result != VK_SUCCESS)
{
logPrint(VKTS_LOG_ERROR, "BufferObject: Could not bind buffer memory.");
return VK_FALSE;
}
return VK_TRUE;
}
FontCacheEntry* FreeTypeFont::getGlyph(const ICommandBuffersSP& cmdBuffer, const char32_t character, const size_t size)
{
if (!face || !cmdBuffer.get())
{
return nullptr;
}
//
FontCacheEntry* fontCacheEntry = getGlyph(character, size);
// Error case.
if (!fontCacheEntry)
{
return nullptr;
}
// Character has no data e.g. space.
if (!fontCacheEntry->glyphImageData.get())
{
return fontCacheEntry;
}
// Character already created.
if (fontCacheEntry->texture.get())
{
return fontCacheEntry;
}
//
VkImageTiling imageTiling;
VkMemoryPropertyFlags memoryPropertyFlags;
if (!initialResources->getPhysicalDevice()->getGetImageTilingAndMemoryProperty(imageTiling, memoryPropertyFlags, fontCacheEntry->glyphImageData->getFormat(), fontCacheEntry->glyphImageData->getImageType(), 0, fontCacheEntry->glyphImageData->getExtent3D(), fontCacheEntry->glyphImageData->getMipLevels(), 1, VK_SAMPLE_COUNT_1_BIT, fontCacheEntry->glyphImageData->getSize()))
{
return nullptr;
}
//
VkImageCreateInfo imageCreateInfo;
memset(&imageCreateInfo, 0, sizeof(VkImageCreateInfo));
imageCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO;
imageCreateInfo.flags = 0;
imageCreateInfo.imageType = fontCacheEntry->glyphImageData->getImageType();
imageCreateInfo.format = fontCacheEntry->glyphImageData->getFormat();
imageCreateInfo.extent = fontCacheEntry->glyphImageData->getExtent3D();
imageCreateInfo.mipLevels = fontCacheEntry->glyphImageData->getMipLevels();
imageCreateInfo.arrayLayers = 1;
imageCreateInfo.samples = VK_SAMPLE_COUNT_1_BIT;
imageCreateInfo.tiling = imageTiling;
imageCreateInfo.usage = VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_SAMPLED_BIT;
imageCreateInfo.sharingMode = VK_SHARING_MODE_EXCLUSIVE;
imageCreateInfo.queueFamilyIndexCount = 0;
imageCreateInfo.pQueueFamilyIndices = nullptr;
imageCreateInfo.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
VkImageSubresourceRange subresourceRange = { VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1 };
VkSamplerCreateInfo samplerCreateInfo;
memset(&samplerCreateInfo, 0, sizeof(VkSamplerCreateInfo));
samplerCreateInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
samplerCreateInfo.flags = 0;
samplerCreateInfo.magFilter = VK_FILTER_NEAREST;
samplerCreateInfo.minFilter = VK_FILTER_NEAREST;
samplerCreateInfo.mipmapMode = VK_SAMPLER_MIPMAP_MODE_NEAREST;
samplerCreateInfo.addressModeU = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
samplerCreateInfo.addressModeV = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
samplerCreateInfo.addressModeW = VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE;
samplerCreateInfo.mipLodBias = 0.0f;
samplerCreateInfo.anisotropyEnable = VK_FALSE;
samplerCreateInfo.maxAnisotropy = 1.0f;
samplerCreateInfo.compareEnable = VK_FALSE;
samplerCreateInfo.compareOp = VK_COMPARE_OP_NEVER;
samplerCreateInfo.minLod = 0.0f;
samplerCreateInfo.maxLod = 0.0f;
samplerCreateInfo.borderColor = VK_BORDER_COLOR_FLOAT_OPAQUE_WHITE;
samplerCreateInfo.unnormalizedCoordinates = VK_FALSE;
VkImageViewCreateInfo imageViewCreateInfo;
memset(&imageViewCreateInfo, 0, sizeof(VkImageViewCreateInfo));
imageViewCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
imageViewCreateInfo.flags = 0;
imageViewCreateInfo.image = VK_NULL_HANDLE; // Defined later.
imageViewCreateInfo.viewType = VK_IMAGE_VIEW_TYPE_2D;
imageViewCreateInfo.format = fontCacheEntry->glyphImageData->getFormat();
imageViewCreateInfo.components = {VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G, VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A};
imageViewCreateInfo.subresourceRange = subresourceRange;
IImageSP stageImage;
IBufferSP stageBuffer;
IDeviceMemorySP stageDeviceMemory;
fontCacheEntry->texture = textureCreate(stageImage, stageBuffer, stageDeviceMemory, initialResources, cmdBuffer, "FontCharacterTexture", fontCacheEntry->glyphImageData, imageCreateInfo, VK_ACCESS_INPUT_ATTACHMENT_READ_BIT | VK_ACCESS_SHADER_READ_BIT, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, subresourceRange, memoryPropertyFlags, samplerCreateInfo, imageViewCreateInfo);
if (!fontCacheEntry->texture.get())
{
return nullptr;
}
if (stageImage.get())
{
allStageImages.append(stageImage);
}
if (stageBuffer.get())
{
allStageBuffers.append(stageBuffer);
}
if (stageDeviceMemory.get())
{
allStageDeviceMemories.append(stageDeviceMemory);
}
return fontCacheEntry;
}